<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>加入</title>
  <script src="../js/zepto.js"></script>
  <script src="parabola.js"></script>
  <style>
    .main {
      height: 300px;
      background: darkgoldenrod;
    }
    figure {
      height: 60px;
      display: block;
      background: darkred;
    }
    figure img {
      height: 50px;
      width: 50px;
      background: darkblue;
    }
  </style>
</head>
<body>
<div class="main">
  <figure>
    <img src="xx.jpg">
    <figcaption>
      <div class="desc">描述</div>
      <button class="btn">+</button>
    </figcaption>
  </figure>
</div>
</body>
</html>